Computer server



FIG. 1 is a right, front perspective view of the computer server, showing my new design;

FIG. 2 is a left, front perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a right side view thereof.

The left side view is a mirror image of the right side view shown in FIG. 5. The rear and bottom views are unornamented. 

The ornamental design of a computer server, as shown and described. 